E d e l s t a h l p r o d u k t e G m b H
®
heat exchangers - hot water systems - district heating stations
German Quality / TÜV approved production
01/2013 DMS/DINOX reserves the right to make changes without notice.
10
06.2
Diagram to design hot-water
-systems for
Hotels / Hospitals / Old-People Homes
Conditions:
1. Morning bath-, shower- washperiod = 2 h
2. Sanitary equipment bath tub 150 l with handshower
3. Quantity of hot-water within 2 h period (1.)
ca. 75 l / 45 °C = ca. 90 l / 39 °C
Excample: W
ater quantity for Hotel
with 170 beds:
•
70 single rooms
•
50 double rooms
•
2 h demand 410 kW
•
capacity heat exchanger 175 kW
= 85 % of 1 hour demand
•
Stored water 18,5 l / bed
total stored volume 3.145 l
80 % of 1 h demand
selected vessel 3200 l
•
total number of rooms = total
number of taps
leed
to
peak
water
flow
of
3,7 l / sec / 55 °C
For hospitals hot water demand add:
1. therapy bathes 100 l / contents each = 50 l vesselvolume and 2 kW capacity heat exchanger
and
0,2
l
/ s
/
55
°C
peak
water
flow
1.800
1.700
1.600
1.500
1.400
1.300
1.200
1.100
1.000
900
800
700
600
500
400
300
200
100
0
1.800
1.700
1.600
1.500
1.400
1.300
1.200
1.100
1.000
900
800
700
600
500
400
300
200
100
0
kW capacity
30
50
75
100
130
170
220
280
350
420
480
550
620
680
750
23,5
→
22
→
21
→
19
→
18→
16,5
→
15
→
14
→
12,8
→
750
1000
1250
1600
2000
2500
3200
4000
5000
6300
8000
10000
Number of beds / guests / patients
necessary yessel volume l
Storage quantitiy / beds / l water / 55°C
2 h demand
2,44 kW / each use of shower
kW capacity
heat exchanger
10
9
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
0
10
25
40
55
70
85
110
140
170
200
245
290
peakdemand acc. DIN 1988 part 3 l/sec.
55°
50°
45°
Quantity taps
